[INFO] fetching crate velnet 0.1.0...
[INFO] testing velnet-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate velnet 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate velnet 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate velnet 0.1.0
[INFO] tweaked toml for crates.io crate velnet 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate velnet 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate velnet 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a
[INFO] running `Command { std: "docker" "start" "7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling libsqlite3-sys v0.26.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling nb-connect v1.2.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=3cbee67d4d379ae7 -C extra-filename=-8ffb57ba920b6e7c --out-dir /opt/rustwide/target/release/build/syn/8ffb57ba920b6e7c/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/9bcdacde3281d9d9/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/4db6325f2cc66793/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/9bcdacde3281d9d9/out/libproc_macro2-9bcdacde3281d9d9.rmeta --extern quote=/opt/rustwide/target/release/build/quote/574313c8b9d182fa/out/libquote-574313c8b9d182fa.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/4db6325f2cc66793/out/libunicode_ident-4db6325f2cc66793.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a", kill_on_drop: false }`
[INFO] [stdout] 7dbf046ae12e9c05979468af065c50b3e10fef3b1f5cea5aac5f19d39b67d67a
